Mask Sizing

XS = 25-49 lbs (11-21 kgs)      (fits children ages 3-5)

S = 50-74 lbs (22-33 kgs)        (fits children ages 4-8)

M = 75-124 lbs (34-56 kgs)     (fits children ages 9-12)

L = 125-179 lbs (57-79 kgs)

XL = 180-249 lbs (80-111 kgs)

XXL = 250 lbs and over (112 + kgs)

To ensure proper fit, please stretch the Mask tightly across one's face... as this will ensure proper "breathability."